/// <summary>
/// Tìm cái khung chứa đa giác này
/// </summary>
private void FindPolygonRegion(clsPolygon polygon)
{
double minX = double.MaxValue, minY = double.MaxValue, maxX = double.MinValue, maxY = double.MinValue;
polygon.PolygonPoints.ForEach(p =>
{
if (minX > p.X)
{
minX = p.X;
}
if (minY > p.Y)
{
minY = p.Y;
}
if (maxX < p.X)
{
maxX = p.X;
}
if (maxY < p.Y)
{
maxY = p.Y;
}
});
polygon.p1 = new Point((int)minX, (int)minY);
polygon.p2 = new Point((int)maxX, (int)maxY);
}
private void btnUnGroup_Click(object sender, EventArgs e)
{
if (lstGroup.Find(shape => shape.IsSelected) is Group selectedGroup)
{
foreach (clsDrawObject shape in selectedGroup.SHAPES)
{
if (shape is clsPolygon)
{
clsPolygon X = (clsPolygon)shape;
Polygons.Add(X);
}
else if (shape is clsCurve)
{
LstCurve.Add((clsCurve)shape);
}
else if (shape is Group)
{
lstGroup.Add((Group)shape);
}
else
{
lstObject.Add(shape);
}
}
lstGroup.Remove(selectedGroup);
}
plMain.Invalidate();
}
private void plMain_MouseDown(object sender, MouseEventArgs e)
{
this.isPress = true;
this.isStartpoly += 1;
this.isStartCurve += 1;
#region Vẽ Hình
if (this.bLine == true)
{
clsDrawObject myObj;
myObj = new clsLine();
myObj.myPen = new Pen(myColor, thick);
myObj.myPen.DashStyle = Dstyle;
myObj.Filled = Fill;
myObj.p1 = e.Location;
myObj.myOutLineColor = myColor;
myObj.width = thick;
myObj.DStyle = Dstyle;
this.lstObject.Add(myObj);
}
if (this.bCircle == true)
{
clsDrawObject myObj;
myObj = new clsCircle();
myObj.Filled = Fill;
myObj.myOutLineColor = myColor;
myObj.width = thick;
myObj.myFillColor = myFillColor;
myObj.DStyle = Dstyle;
myObj.BrushTypes = Getbrush;
myObj.p1 = e.Location;
this.lstObject.Add(myObj);
}
if (this.bEcllipse == true)
{
clsDrawObject myObj;
myObj = new clsEllipse();
myObj.DStyle = Dstyle;
myObj.Filled = Fill;
myObj.myOutLineColor = myColor;
myObj.width = thick;
myObj.myFillColor = myFillColor;
myObj.BrushTypes = Getbrush;
myObj.p1 = e.Location;
this.lstObject.Add(myObj);
}
if (this.bSquare == true)
{
clsDrawObject myObj;
myObj = new clsSquare();
myObj.myOutLineColor = myColor;
myObj.width = thick;
myObj.myFillColor = myFillColor;
myObj.DStyle = Dstyle;
myObj.BrushTypes = Getbrush;
myObj.Filled = Fill;
myObj.p1 = e.Location;
this.lstObject.Add(myObj);
}
if (this.bRect == true)
{
clsDrawObject myObj;
myObj = new clsRectangle();
myObj.myOutLineColor = myColor;
myObj.width = thick;
myObj.myFillColor = myFillColor;
myObj.DStyle = Dstyle;
myObj.BrushTypes = Getbrush;
myObj.Filled = Fill;
myObj.p1 = e.Location;
this.lstObject.Add(myObj);
}
if (this.bPolygon == true)
{
if (isStartpoly == 1)
{
clsPolygon mypoly;
mypoly = new clsPolygon();
mypoly.Filled = Fill;
mypoly.myOutLineColor = myColor;
mypoly.width = thick;
mypoly.myFillColor = myFillColor;
mypoly.DStyle = Dstyle;
mypoly.BrushTypes = Getbrush;
mypoly.PolygonPoints.Add(e.Location);
this.Polygons.Add(mypoly);
}
this.Polygons[this.Polygons.Count - 1].PolygonPoints.Add(e.Location);
}
if (this.bCurve == true)
{
if (isStartCurve == 1)
{
clsCurve myCurve;
myCurve = new clsCurve();
myCurve.Filled = Fill;
myCurve.myOutLineColor = myColor;
myCurve.width = thick;
myCurve.myFillColor = myFillColor;
myCurve.DStyle = Dstyle;
myCurve.BrushTypes = Getbrush;
myCurve.Points.Add(e.Location);
this.LstCurve.Add(myCurve);
}
this.LstCurve[this.LstCurve.Count - 1].Points.Add(e.Location);
}
#endregion ;
#region Không vẽ hình
if (IsDrawNothing == true)
{
if (isControlKeyPress == true)
{
for (int i = 0; i < lstObject.Count; i++)
{
if (lstObject[i].IsHit(e.Location))
{
lstObject[i].IsSelected = true;
plMain.Refresh();
}
}
for (int i = 0; i < Polygons.Count; i++)
{
if (Polygons[i].IsHit(e.Location) && bPolygon != true)
{
Polygons[i].IsSelected = true;
plMain.Refresh();
}
}
for (int i = 0; i < LstCurve.Count; i++)
{
if (LstCurve[i].IsHit(e.Location) && bCurve != true)
{
LstCurve[i].IsSelected = true;
plMain.Refresh();
}
}
for (int i = 0; i < lstGroup.Count; i++)
{
if (lstGroup[i].IsHit(e.Location))
{
lstGroup[i].IsSelected = true;
plMain.Refresh();
}
}
}
else
{
LstCurve.ForEach(shape => shape.IsSelected = false);
lstObject.ForEach(shape => shape.IsSelected = false);
Polygons.ForEach(shape => shape.IsSelected = false);
lstGroup.ForEach(shape => shape.IsSelected = false);
plMain.Invalidate();
plMain.Refresh();
for (int i = 0; i < lstObject.Count; i++)
{
if (isHitPoint(e.Location, lstObject[i].p2) || isHitPoint(e.Location, lstObject[i].p1) ||
isHitPoint(e.Location, lstObject[i].p3) || isHitPoint(e.Location, lstObject[i].p4))
{
ReSizeShape = lstObject[i];
lstObject[i].IsSelected = true;
lstObject[i].IsReSized = true;
plMain.Refresh();
break;
}
if (lstObject[i].IsHit(e.Location))
{
selectedShape = lstObject[i];
lstObject[i].IsSelected = true;
plMain.Refresh();
break;
}
}
for (int i = 0; i < Polygons.Count; i++)
{
FindPolygonRegion(Polygons[i]);
if (isHitPoint(e.Location, Polygons[i].p2) || isHitPoint(e.Location, Polygons[i].p1))
{
if (isHitPoint(e.Location, Polygons[i].p1))
{
position = 1;
}
if (isHitPoint(e.Location, Polygons[i].p2))
{
position = 2;
}
ReSizeShape = Polygons[i];
Polygons[i].IsSelected = true;
Polygons[i].IsReSized = true;
plMain.Refresh();
break;
}
if (Polygons[i].IsHit(e.Location))
{
selectedShape = Polygons[i];
Polygons[i].IsSelected = true;
plMain.Refresh();
break;
}
}
for (int i = 0; i < LstCurve.Count; i++)
{
FindCurveRegion(LstCurve[i]);
if (isHitPoint(e.Location, LstCurve[i].p2) || isHitPoint(e.Location, LstCurve[i].p1))
{
if (isHitPoint(e.Location, LstCurve[i].p1))
{
position = 1;
}
if (isHitPoint(e.Location, LstCurve[i].p2))
{
position = 2;
}
ReSizeShape = LstCurve[i];
LstCurve[i].IsSelected = true;
LstCurve[i].IsReSized = true;
plMain.Refresh();
break;
}
if (LstCurve[i].IsHit(e.Location))
{
selectedShape = LstCurve[i];
LstCurve[i].IsSelected = true;
plMain.Refresh();
break;
}
}
for (int i = 0; i < lstGroup.Count; i++)
{
FindGroupRegion(lstGroup[i]);
if (isHitPoint(e.Location, lstGroup[i].p2))
{
ReSizeShape = lstGroup[i];
lstGroup[i].IsSelected = true;
lstGroup[i].IsReSized = true;
plMain.Refresh();
break;
}
if (lstGroup[i].IsHit(e.Location))
{
selectedShape = lstGroup[i];
lstGroup[i].IsSelected = true;
plMain.Refresh();
break;
}
}
if (selectedShape != null)
{
isMovingShape = true;
previousPoint = e.Location;
}
else
if (ReSizeShape != null)
{
isResizingShape = true;
previousPoint = e.Location;
if (position == 2)
{
Polybegin = ReSizeShape.p1;
PolyEnd = ReSizeShape.p2;
}
if (position == 1)
{
Polybegin = ReSizeShape.p2;
PolyEnd = ReSizeShape.p1;
}
}
else
{
isMouseSelect = true;
selectedRegion = new System.Drawing.Rectangle(e.Location, new Size(0, 0));
}
}
}
#endregion
}